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Finding the Fourth Proportional to 499,487.40, 749,231.10 and 441,750.60

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Solution

The fourth proportional to 499,487.40, 749,231.10 and 441,750.60 is: 662,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,487.40 : 749,231.10 = 441,750.60 : x
  2. Step 2: Convert to fraction form
    499,487.40/749,231.10 = 441,750.60/x
  3. Step 3: Cross multiply
    499,487.40x = 749,231.10 × 441,750.60
  4. Step 4: Simplify right side
    499,487.40x = 330,973,287,963.66
  5. Step 5: Solve for x
    x = 330,973,287,963.66/499,487.40
  6. Step 6: Final answer
    x = 662,625.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.